* Copyright (c) 2014, ArrayFire
* All rights reserved.
* This file is distributed under 3-clause BSD license.
* The complete license agreement can be obtained at:
#include <arrayfire.h>
#include <math.h>
#include <cstdio>
using namespace af;
static const int M = 30;
static const int N = 2 * M;
int main(int, char**) {
try {
// Initialize the kernel array just once
af::Window myWindow(800, 800, "3D Surface example: ArrayFire");
// Creates grid of between [-1 1] with precision of 1 / M
const array x = iota(dim4(N, 1), dim4(1, N)) / M - 1;
const array y = iota(dim4(1, N), dim4(N, 1)) / M - 1;
static float t = 0;
while (!myWindow.close()) {
t += 0.07;
array z = 10 * x * -abs(y) * cos(x * x * (y + t)) +
sin(y * (x + t)) - 1.5;
myWindow.surface(x, y, z);
} catch (af::exception& e) {
fprintf(stderr, "%s\n", e.what());
return 0;
Window object to render af::arrays.
Definition: graphics.h:37
An ArrayFire exception class.
Definition: exception.h:22
virtual const char * what() const
Returns an error message for the exception in a string format.
Definition: exception.h:46
AFAPI array abs(const array &in)
C++ Interface for absolute value.
AFAPI array cos(const array &in)
C++ Interface for cos.
AFAPI array sin(const array &in)
C++ Interface for sin.
AFAPI array iota(const dim4 &dims, const dim4 &tile_dims=dim4(1), const dtype ty=f32)
AFAPI void info()
void surface(const array &S, const char *const title=NULL)
Renders the input arrays as a 3D surface plot to the window.
bool close()
Check if window is marked for close.
static af::array array(af::dim4 idims, cl_mem buf, af::dtype type, bool retain=false)
Create an af::array object from an OpenCL cl_mem buffer.
Definition: opencl.h:327
Definition: algorithm.h:15